X0306 4 2013-03-22 0 0001497770 Walker & Dunlop, Inc. WD 0000824468 CREDIT SUISSE AG/ SEE FOOTNOTE (1) IN EXHIBIT 99.1 11 MADISON AVENUE NEW YORK NY 10010 0 0 1 0 Common Stock 2013-03-22 4 S 0 49225 18.6228 D 3603820 I See Note Column Guaranteed LLC ("Column") sold shares of common stock of the Issuer pursuant to a plan intended to comply with Rule 10b5-1(c) under the Securities Exchange Act of 1934, previously entered into on December 6, 2012. Column is an indirect subsidiary of the Reporting Person (see note (1) on Exhibit 99.1). The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sale prices. The price reported represents the weighted average price. The Reporting Person undertakes to provide the staff of the SEC, the Issuer, or a stockholder of the Issuer, upon request, the number of shares sold by the Reporting Person at each separate price within the range. Sale prices range from $18.50 to $18.7421 per share, inclusive. Represents shares directly held by Column and indirectly beneficially owned by Reporting Person (see note (1) on Exhibit 99.1). Exhibit 99.1 incorporated herein by reference. /s/ Louise Guarneri, Managing Director on behalf of Credit Suisse AG 2013-03-25